Call of Duty: Black Ops is a first person shooter, developed by Treyarch, published by Activision and released worldwide on November 9, 2010 for PC, Xbox 360, Playstation 3, and the Wii, with a separate version for the Nintendo DS. It is the fifth installment of Call of Duty, and the second to not be set during World War II. It is set in the 1980s during the Cold War. It is one of the most successful video games in history, earning over $1 billion dollars in sale over the next six weeks.